Kimai is a web-based multi-user time-tracking application. Works great for everyone: freelancers, companies, organizations - everyone can track their times, generate reports, create invoices and do so much more. SaaS version available at https://www.kimai.cloud [Moved to: https://github.com/kimai/kimai]
Why do you think that https://github.com/TechnitiumSoftware/DnsServer is a good alternative to Kimai 2